# Atlas Training Mobile vs NDT Cert Study

The clearest difference is in-app purchases: Atlas Training Mobile at none against NDT Cert Study's 10. Atlas Training Mobile also leads on update cadence (every 4 days vs every 3 weeks) and iOS requirement (12.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. NDT Cert Study sells 10 one-off in-app purchases. Atlas Training Mobile asks for nothing beyond the download.

Atlas Training Mobile ships an update every 4 days, NDT Cert Study every 3 weeks. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Atlas Training Mobile | NDT Cert Study |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/atlas-training-mobile/id6738846541/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 3 weeks |
| Monetization | Free | — |
| Size | 76 MB | 35 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Atlas Training](https://appshunter.io/developer/1782581974) | [Simon Shih](https://appshunter.io/developer/1870707682) |

## What reviewers say

### Atlas Training Mobile

[App page](https://appshunter.io/ios/app/atlas-training-mobile/id6738846541)

Access your Atlas Training courses on your mobile device with a user-friendly interface. Complete assignments, view materials, and connect with peers. Download content for offline learning and stay updated with notifications.

**Highlights:** Access courses on mobile, Complete quizzes and assignments, View course materials, Real-time notifications, Offline content download, Peer and trainer discussions

**In-app purchases:** none


### NDT Cert Study

[App page](https://appshunter.io/ios/app/ndt-cert-study/id6785204471)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CGSB / MT Level II | $9.99 | one-time |
| CGSB / MT Level I | $9.99 | one-time |
| CGSB / RT Level I | $9.99 | one-time |
| CGSB / PT Level II | $9.99 | one-time |
| CGSB / PT Level I | $9.99 | one-time |
| CGSB / RT Level II | $9.99 | one-time |
| CGSB / UT Level II | $9.99 | one-time |
| CGSB / UT Level I | $9.99 | one-time |
| CGSB / PAUT Level I | $9.99 | one-time |
| CGSB / PAUT Level II | $9.99 | one-time |


## Frequently asked questions

### Is Atlas Training Mobile free?

Atlas Training Mobile is free to download, with no in-app purchases.

### Is NDT Cert Study free?

NDT Cert Study is free to download, with in-app purchases available.

### Do Atlas Training Mobile or NDT Cert Study have ads?

Neither Atlas Training Mobile nor NDT Cert Study shows ads.

### Which is updated more often, Atlas Training Mobile or NDT Cert Study?

Atlas Training Mobile ships an update every 4 days, and NDT Cert Study every 3 weeks. Most recently, Atlas Training Mobile was updated on October 30, 2026 and NDT Cert Study on October 28, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*